Home / 10,746.32-16,114.31-8,400.38

Finding the Fourth Proportional to 10,746.32, 16,114.31 and 8,400.38

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Solution

The fourth proportional to 10,746.32, 16,114.31 and 8,400.38 is: 12,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.32 : 16,114.31 = 8,400.38 : x
  2. Step 2: Convert to fraction form
    10,746.32/16,114.31 = 8,400.38/x
  3. Step 3: Cross multiply
    10,746.32x = 16,114.31 × 8,400.38
  4. Step 4: Simplify right side
    10,746.32x = 135,366,285.44
  5. Step 5: Solve for x
    x = 135,366,285.44/10,746.32
  6. Step 6: Final answer
    x = 12,596.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.